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Front tyres wearing on the inside

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m_0_m_0
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Front tyres wearing on the inside

Postby m_0_m_0 » Wed Sep 30, 2009 9:24 pm

Hello people,

need a bit of advice, ive just noticed that my front tyres are wearing on the inside but the rest of them are mint. the rears seem fine. my cars pretty low, i dont know how low as it was low when i got it. its gotta be 60mm + coz i got stuck in a car park and couldt get down one of the ramps :) not funny at the time. anyways back to the point, i know lowering will adjust the camber but can this be rectified anyway so tyes dont wear as much or could this be tracking seeing as the rears seem ok.......????? will get the tyres turned over on the weekend..... any advise welcome

thanks in advance.

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Re: Front tyres wearing on the inside

Postby Stones » Wed Sep 30, 2009 9:35 pm

m_0_m_0 wrote:Hello people,

need a bit of advice, ive just noticed that my front tyres are wearing on the inside but the rest of them are mint. the rears seem fine. my cars pretty low, i dont know how low as it was low when i got it. its gotta be 60mm + coz i got stuck in a car park and couldt get down one of the ramps :) not funny at the time. anyways back to the point, i know lowering will adjust the camber but can this be rectified anyway so tyes dont wear as much or could this be tracking seeing as the rears seem ok.......????? will get the tyres turned over on the weekend..... any advise welcome

thanks in advance.


Heard of it happening to alot of em!!!
Seen it in the garage i work in just last week same ting its not tracking you put it up and the tracking(toe) shows perfect camber is the problem can be adjusted but i tink its a cam type adjustmeant which limits the amount of adjustment!!!

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m_0_m_0
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Re: Front tyres wearing on the inside

Postby m_0_m_0 » Wed Sep 30, 2009 9:49 pm

hmmmmm, il get it checked but like you said if trackings fine and cambers fine which i think mine are coz its tru in a straight line driving on motorways without hands on steering, had to try it when i was testing it. do you think its due to how low it is??? any suggestions??

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Re: Front tyres wearing on the inside

Postby Stones » Wed Sep 30, 2009 9:53 pm

m_0_m_0 wrote:hmmmmm, il get it checked but like you said if trackings fine and cambers fine which i think mine are coz its tru in a straight line driving on motorways without hands on steering, had to try it when i was testing it. do you think its due to how low it is??? any suggestions??


Can't be shur lad but lowering a car will throw out the camber...........................

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Re: Front tyres wearing on the inside

Postby E910 » Wed Sep 30, 2009 10:05 pm

A decent wheel alignment should sort this out, just make sure to take it to a specialist as your average tyre shop probably wont be able to do it. There's a place in the UK that has done extensive work on fixing this problem. They may be able to help you fine tune your alignment specs http://www.wheels-inmotion.co.uk/tyres-wheels-lexus.php
WIM wrote:We carried out a study and proved that the reason for the tyre wear was that the front Camber / Castor relationship suggested by Lexus were very likely incorrect.
The Lexus IS200 / 300 chassis has an adjustable front Camber but not Castor, so we wrote a procedure to correct both Camber and Castor "indirectly" without the need to replace and steering components.
With our Geometry positions calibrated into the donor cars they proved a generous tyre life, dismissing the distressing inner tyre wear.



Have a read of these also
http://z4.invisionfree.com/lexusaltezzaclu...hp?showtopic=49

http://z4.invisionfree.com/lexusaltezzaclu...?showtopic=2244
Last edited by E910 on Wed Sep 30, 2009 10:38 pm, edited 1 time in total.

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m_0_m_0
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Re: Front tyres wearing on the inside

Postby m_0_m_0 » Wed Sep 30, 2009 10:24 pm

il take a look into this, ive known that some places will check alignment and say its fine but the wear will still continue, as those posts say am gonna have to ask for the adjustments to be made.

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Re: Front tyres wearing on the inside

Postby Evelyn » Wed Sep 30, 2009 10:57 pm

I have done my aligment so many times and it still does it...And the guys that have done it in different places all say the same thing that there know for doing it. Like you said the back is perfect.
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Re: Front tyres wearing on the inside

Postby E910 » Thu Oct 01, 2009 4:31 am

What tyre pressure are you running Evelyn? The guys from WIM recommend 35psi for the OE 17" & you could probably run upto 38 if you're on 18"

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Re: Front tyres wearing on the inside

Postby rnd_audio » Thu Oct 01, 2009 3:15 pm

hey it because your car is that low, the camber changes. it is not adjustable on the front unless you buy adj upper arms.. it is adj on the rear with the cam washer.

this happened mine so i raised it so its about 30mm lower than standard and its fine when it was lower about 50-60mm lower is chewed up the inside of the tyre
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Re: Front tyres wearing on the inside

Postby Evelyn » Thu Oct 01, 2009 5:40 pm

E910 wrote:What tyre pressure are you running Evelyn? The guys from WIM recommend 35psi for the OE 17" & you could probably run upto 38 if you're on 18"


32psi all around :oops:

rnd_audio wrote:hey it because your car is that low, the camber changes. it is not adjustable on the front unless you buy adj upper arms.. it is adj on the rear with the cam washer.

this happened mine so i raised it so its about 30mm lower than standard and its fine when it was lower about 50-60mm lower is chewed up the inside of the tyre


Mine aint lowered its as high a truck
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Re: Front tyres wearing on the inside

Postby lanigan » Thu Oct 01, 2009 7:45 pm

E910 wrote:What tyre pressure are you running Evelyn? The guys from WIM recommend 35psi for the OE 17" & you could probably run upto 38 if you're on 18"


38psi???? rock solid! Ive 18s with 30psi all round at the min, 38psi would be way too uncomfortable for my liking and i'd say central tyre wear would be pretty bad...

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Re: Front tyres wearing on the inside

Postby moomoo » Thu Oct 01, 2009 7:51 pm

lanigan wrote:
E910 wrote:What tyre pressure are you running Evelyn? The guys from WIM recommend 35psi for the OE 17" & you could probably run upto 38 if you're on 18"


38psi???? rock solid! Ive 18s with 30psi all round at the min, 38psi would be way too uncomfortable for my liking and i'd say central tyre wear would be pretty bad...


wow I only have 26psi :?

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Re: Front tyres wearing on the inside

Postby m_0_m_0 » Thu Oct 01, 2009 10:29 pm

mines 32psi all round might try put a bit more in the front afta i get the tyres turned.i thot its coz its so low not much ground clearance at all hate bloody speed bumps i have to take a detour to wherever i go now lol.thinkin of investin in some coilovers at some point in the near future might actually be cheap then buyin tyres every few months in the long run lol

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Re: Front tyres wearing on the inside

Postby rnd_audio » Thu Oct 01, 2009 11:10 pm

rnd_audio wrote:hey it because your car is that low, the camber changes. it is not adjustable on the front unless you buy adj upper arms.. it is adj on the rear with the cam washer.

this happened mine so i raised it so its about 30mm lower than standard and its fine when it was lower about 50-60mm lower is chewed up the inside of the tyre


Mine aint lowered its as high a truck[/quote]

it shouldnt wear tyres if its standard,, is it bad.. did you just get the sterring alinement done or 4 wheel alinement done.
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Re: Front tyres wearing on the inside

Postby E910 » Fri Oct 02, 2009 1:44 am

rnd_audio wrote:hey it because your car is that low, the camber changes. it is not adjustable on the front unless you buy adj upper arms.. it is adj on the rear with the cam washer.

this happened mine so i raised it so its about 30mm lower than standard and its fine when it was lower about 50-60mm lower is chewed up the inside of the tyre
It's not camber wear. It's wear from incorrect castor & toe. Yes lowering your car will change these but it also a prevalent issue at standard height. The people doing Evelyn's alignments are obviously unaware of the castor issue with IS/Altezza's.

lanigan wrote:38psi???? rock solid! Ive 18s with 30psi all round at the min, 38psi would be way too uncomfortable for my liking and i'd say central tyre wear would be pretty bad...
30psi??? Dude that's well under. Pump them up & you'll notice a big difference. It'll handle better & use less gas. The factory spec for OE 17" is 2.3kg/cm2 or 32.713 psi all round. WIM recommend increasing it to 35.
And no 38psi not over inflated on 18" so it wont cause centre wear.

moomoo wrote:wow I only have 26psi :?
Put 35 in & see what you think. 26 is flat! Also you should be checking your pressure every 2-3 weeks!


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